#17386F#17386F

#17386F is a dark, moderate blue. Relative luminance 0.042; OKLCH L 34.9% C 0.103 H 260.1°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#17386F
RGB	rgb(23, 56, 111)
HSL	hsl(218, 66%, 26%)
HSV	hsv(218, 79%, 44%)
CMYK	cmyk(79.3%, 49.5%, 0%, 56.5%)
CIE-LAB	lab(24.19, 9.47, -35.35)
CIE-LCH	lch(24.19, 36.60, 284.99°)
OKLab	oklab(34.94% -0.0178 -0.1015)
OKLCH	oklch(34.94% 0.103 260.1)
XYZ	xyz(4.6357, 4.1577, 15.5940)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17386F #6F4E17

analogous

#17646F #17386F #22176F

triadic

#17386F #6F1738 #386F17

tetradic

#17386F #6F1764 #6F4E17 #176F22

square

#17386F #6F1764 #6F4E17 #176F22

split-complementary

#17386F #6F2217 #646F17

monochromatic

#050D19 #0C1E3C #17386F #2252A2 #2D6BD3

Accessibility & contrast

On white

11.47

#17386F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#17386F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17386F

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17386F	#FFFFFF	#000000	##FFFFFF
##17386F	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A3E71

Deuteranopia (green-blind)

#03366E

Tritanopia (blue-blind)

#00454E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #17386f;
/* rgb */ color: rgb(23, 56, 111);
/* oklch */ color: oklch(34.9% 0.103 260.1);

Tailwind

colors: {
  custom: {
    50: '#626e99',
    500: '#17386f',
    950: '#000000',
  },
}

SCSS

$custom: #17386f;
$custom-light: #626e99;
$custom-dark: #000000;

JSON

{
  "hex": "#17386f",
  "rgb": {
    "r": 23,
    "g": 56,
    "b": 111
  },
  "hsl": {
    "h": 217.5,
    "s": 65.672,
    "l": 26.275
  },
  "oklch": {
    "l": 0.34944,
    "c": 0.10302,
    "h": 260.1
  },
  "luminance": 0.04158
}

Semantic roles & 50–950 ramp

primary

#17386F

secondary

#A57E3D

accent

#A93FE9

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #17386F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →